CN214887610U - Miniature air pump - Google Patents

Abstract

The utility model discloses a micro air pump, which comprises an air outlet nozzle, an upper cover, a lower cover, a tower-shaped base, a positioning groove, a fixed base, a motor, a positive terminal, a screw, a tower-shaped rubber sleeve, a swing arm, a one-way valve, a negative terminal, a transmission shaft, an eccentric wheel, a chute, a steel ball, an output shaft, a slot, an air inlet and a screw, wherein the output shaft of the motor runs through the center of the bottom of the fixed base, the positioning groove is arranged at one side of the periphery of the bottom of the fixed base, the output shaft of the motor is inserted in the slot, the slot is arranged at one side of the center of the bottom of the eccentric wheel, the chute is arranged at the other side of the center of the top of the eccentric wheel, a positioning groove is added at the bottom of the fixed base, the positioning function of the air pump is increased, the rotation in the assembly process of the air pump is prevented, the automatic device is favorably guided, the number of operators is reduced, and the production efficiency of the product is greatly improved, the production cost is reduced, and the economic benefit is improved.

Description

Miniature air pump

Technical Field

The utility model relates to a miniature air pump technical field specifically is a miniature air pump.

Background

The miniature air pump is a gas conveying device which has small volume, is provided with a gaseous working medium and is mainly used for multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, air exhaust, inflation, pressurization and the like.

The variety of miniature air pump is various, and the location of miniature air pump on the market is comparatively troublesome, unable accurate positioning, and miniature air pump can rotate by oneself in the working process, has reduced stability, has increased the leading-in degree of difficulty of automation equipment, has reduced work efficiency, has increased the cost of labor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature air pump to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a miniature air pump comprises an air outlet nozzle, an upper cover, a lower cover, a tower-shaped base, a positioning groove, a fixed base, a motor, a positive terminal, a screw, a tower-shaped rubber sleeve, a swing arm, a one-way valve, a negative terminal, a transmission shaft, an eccentric wheel, a chute, steel balls, an output shaft, a slot, an air inlet and a screw, wherein the output shaft of the motor penetrates through the center of the bottom of the fixed base, the positioning groove is formed in one side of the periphery of the bottom of the fixed base, the output shaft of the motor is inserted into the slot, the slot is formed in one side of the center of the bottom of the eccentric wheel, the chute is formed in the other side of the center of the top of the eccentric wheel, the steel balls are arranged at the bottom of the chute, the transmission shaft is inserted into the chute, the top end of the transmission shaft is inserted into the center of the bottom of the swing arm, three positions of the center of the top of the swing arm are respectively fixedly connected with the bottom of the tower-shaped rubber sleeve, the top of the tower-shaped rubber sleeve is fixedly connected with the bottom of the lower cover, and the two sides of the top of the tower-shaped rubber sleeve are provided with air inlets, the lower cover is fixedly connected with the upper cover through screws, and the periphery of the top of the lower cover is connected with the periphery of the bottom of the upper cover through ultrasonic fusion.

Further, unable adjustment base bottom is through screw and motor top fixed connection, and unable adjustment base top periphery and the peripheral laminating in turriform base bottom, turriform base top periphery and the peripheral laminating in lower cover bottom.

Furthermore, check valves are respectively installed at three positions of the center of the top of the lower cover, and the bottoms of the check valves are positioned in the tower-shaped rubber sleeve.

Further, a gas outlet nozzle is installed at one side of the center of the top of the upper cover and is communicated with the inside of the upper cover, a gas inlet is formed in one side of the bottom of the fixed base, and the gas inlet is communicated with the inside of the fixed base.

Furthermore, a positive terminal and a negative terminal are respectively installed on two sides of the center of the bottom of the motor, and the positive terminal and the negative terminal are respectively electrically connected with the positive electrode and the negative electrode through leads.

Furthermore, the lower cover, the bottom of the one-way valve, the bottom of the tower-shaped rubber sleeve, the swing arm, the output shaft and the slot are in interference fit.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a through a positioning groove is increased to the unable adjustment base bottom, has increased air pump locate function, prevents to take place to rotate in the air pump equipment process, is favorable to leading-in automation equipment, has reduced operating personnel's quantity, has improved product production efficiency greatly, has reduced manufacturing cost, has improved economic benefits.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the overall structure of the present invention;

fig. 3 is an enlarged schematic view of the area a in fig. 2 according to the present invention;

FIG. 4 is an exploded view of the overall structure of the present invention;

in the figure: 1. an air outlet nozzle; 2. an upper cover; 3. a lower cover; 4. a tower-shaped base; 5. positioning a groove; 6. a fixed base; 7. a motor; 8. a positive terminal; 9. a screw; 10. a tower-shaped rubber sleeve; 11. swinging arms; 12. a one-way valve; 13. a negative terminal; 14. a drive shaft; 15. an eccentric wheel; 16. a chute; 17. steel balls; 18. an output shaft; 19. a slot; 20. an air inlet; 21. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a miniature air pump comprises an air outlet nozzle 1, an upper cover 2, a lower cover 3, a tower-shaped base 4, a positioning groove 5, a fixed base 6, a motor 7, a positive terminal 8, a screw 9, a tower-shaped rubber sleeve 10, a swing arm 11, a one-way valve 12, a negative terminal 13, a transmission shaft 14, an eccentric wheel 15, a chute 16, a steel ball 17, an output shaft 18, a slot 19, an air inlet 20 and a screw 21, wherein the positive terminal 8 and the negative terminal 13 are respectively installed on two sides of the bottom center of the motor 7, the positive terminal 8 and the negative terminal 13 are respectively electrically connected with a positive electrode and a negative electrode through leads, the normal work of the motor 7 is facilitated, the output shaft 18 of the motor 7 penetrates through the bottom center of the fixed base 6, the positioning groove 5 is arranged on one side of the bottom periphery of the fixed base 6, the output shaft 18 of the motor 7 is inserted into the slot 19, and the slot 19 is arranged on one side of the bottom center of the eccentric wheel 15, the other side of the top center of the eccentric wheel 15 is provided with a chute 16, steel balls 17 are arranged at the bottom of the chute 16, a transmission shaft 14 is inserted into the chute 16, the top end of the transmission shaft 14 is inserted into the bottom center of the swing arm 11, three positions at the top center of the swing arm 11 are fixedly connected with the bottom of the tower-shaped rubber sleeve 10 respectively, the top of the tower-shaped rubber sleeve 10 is fixedly connected with the bottom of the lower cover 3, air inlets are arranged at two sides of the top of the tower-shaped rubber sleeve 10, the bottom of the fixed base 6 is fixedly connected with the top of the motor 7 through screws 21, the periphery of the top of the fixed base 6 is attached to the periphery of the bottom of the tower-shaped base 4, the periphery of the top of the tower-shaped base 4 is attached to the periphery of the bottom of the lower cover 3, the lower cover 3 is fixedly connected with the upper cover 2 through screws 9, the periphery of the top of the lower cover 3 is connected with the periphery of the bottom of the upper cover 2 through ultrasonic melting, one side of the top center of the upper cover 2 is provided with an air outlet nozzle 1, and the air outlet nozzle 1 is communicated with the inside of the upper cover 2, one side of the bottom of the fixed base 6 is provided with an air inlet 20, the air inlet 20 is communicated with the inside of the fixed base 6, air inlet and air outlet are facilitated through the air inlet 20 and the air outlet nozzle 1, three positions of the center of the top of the lower cover 3 are respectively provided with a one-way valve 12, the bottom of the one-way valve 12 is located inside the tower-shaped rubber sleeve 10, one-way flow of air inside the tower-shaped rubber sleeve 10 is facilitated to be adjusted through the one-way valve 12, the bottom of the lower cover 3 and the one-way valve 12, the bottom of the tower-shaped rubber sleeve 10, the swing arm 11, the output shaft 18 and the slot 19 are in interference fit, loosening of the one-way valve 12 and the swing arm 11 is facilitated to be prevented, and mounting stability is improved; in the use process of the utility model, firstly, the motor 7 is opened, thereby the output shaft 18 of the motor 7 starts to rotate, then the eccentric wheel 15 is driven to rotate, then the transmission shaft 14 is driven to rotate in a conical shape, then the swing arm 11 is driven to swing up and down with angles, thereby the swing arm 11 pushes the tower-shaped rubber sleeve 10 to reciprocate up and down, thereby the tower-shaped rubber sleeve 10 is pulled downwards to generate a vacuum cavity, thereby a pressure difference is generated between the tower-shaped rubber sleeve 10 and the external atmospheric pressure, under the action of the pressure difference, air starts to enter through the air inlet 20 at one side of the bottom of the fixed base 6, then the air enters the air inlet hole, the valve block is reset after the air enters the tower-shaped rubber sleeve 10, under the swing of the swing arm 11, the tower-shaped rubber sleeve 10 is pushed upwards, the volume of the tower-shaped rubber sleeve 10 is reduced, the air pressure is generated, the air flow passes through the one-way valve 12 and is discharged from the air outlet, accomplish the work of miniature air pump, this utility model discloses an 6 bottoms increase constant head tank 5 of unable adjustment base, increased air pump locate function, prevent to take place to rotate in the air pump equipment process, be favorable to leading-in automation equipment, reduced operation staff's quantity, improved product production efficiency greatly, reduced manufacturing cost, improved economic benefits.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a miniature air pump, includes air outlet nozzle (1), upper cover (2), lower cover (3), turriform base (4), constant head tank (5), unable adjustment base (6), motor (7), positive terminal (8), screw (9), turriform rubber sleeve (10), swing arm (11), check valve (12), negative terminal (13), transmission shaft (14), eccentric wheel (15), chute (16), steel ball (17), output shaft (18), slot (19), air inlet (20) and screw (21), its characterized in that: an output shaft (18) of the motor (7) penetrates through the center of the bottom of the fixed base (6), a positioning groove (5) is formed in one side of the periphery of the bottom of the fixed base (6), the output shaft (18) of the motor (7) is inserted into an insertion groove (19), the insertion groove (19) is formed in one side of the center of the bottom of the eccentric wheel (15), an inclined groove (16) is formed in the other side of the center of the top of the eccentric wheel (15), steel balls (17) are mounted at the bottom of the inclined groove (16), a transmission shaft (14) is inserted into the inclined groove (16), the top end of the transmission shaft (14) is inserted into the center of the bottom of the swing arm (11), three positions of the center of the top of the swing arm (11) are fixedly connected with the bottom of the tower-shaped rubber sleeve (10) respectively, the top of the tower-shaped rubber sleeve (10) is fixedly connected with the bottom of the lower cover (3), and air inlet holes are formed in two sides of the top of the tower-shaped rubber sleeve (10), the lower cover (3) is fixedly connected with the upper cover (2) through a screw (9), and the periphery of the top of the lower cover (3) is connected with the periphery of the bottom of the upper cover (2) through ultrasonic fusion.

2. The micro air pump according to claim 1, wherein: the bottom of the fixed base (6) is fixedly connected with the top of the motor (7) through a screw (21), the periphery of the top of the fixed base (6) is attached to the periphery of the bottom of the tower-shaped base (4), and the periphery of the top of the tower-shaped base (4) is attached to the periphery of the bottom of the lower cover (3).

3. The micro air pump according to claim 1, wherein: check valves (12) are respectively installed at three positions in the center of the top of the lower cover (3), and the bottoms of the check valves (12) are located inside the tower-shaped rubber sleeve (10).

4. The micro air pump according to claim 1, wherein: go out gas nozzle (1) is installed to upper cover (2) top center one side, and goes out inside being linked together of gas nozzle (1) and upper cover (2), air inlet (20) have been seted up to unable adjustment base (6) bottom one side, and air inlet (20) and unable adjustment base (6) inside intercommunication.

5. The micro air pump according to claim 1, wherein: positive terminal (8) and negative terminal (13) are installed respectively to motor (7) bottom center both sides, and positive terminal (8) and negative terminal (13) are respectively through wire and positive negative pole electric connection.

6. The micro air pump according to claim 1, wherein: the lower cover (3) is in interference fit with the bottom of the one-way valve (12), the bottom of the tower-shaped rubber sleeve (10), the swing arm (11), the output shaft (18) and the slot (19).

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